2002023131 has 8 divisors (see below), whose sum is σ = 2008955520. Its totient is φ = 1995103168.

The previous prime is 2002023083. The next prime is 2002023137. The reversal of 2002023131 is 1313202002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2002023131 - 2²² = 1997828827 is a prime.

It is a super-2 number, since 2×2002023131² = 8016193234118086322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2002023137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408065 + ... + 412941.

It is an arithmetic number, because the mean of its divisors is an integer number (251119440).

Almost surely, 2^2002023131 is an apocalyptic number.

2002023131 is a deficient number, since it is larger than the sum of its proper divisors (6932389).

2002023131 is an equidigital number, since it uses as much as digits as its factorization.

2002023131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6213.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2002023131 is about 44743.9731248802. The cubic root of 2002023131 is about 1260.3457376162.

Adding to 2002023131 its reverse (1313202002), we get a palindrome (3315225133).

The spelling of 2002023131 in words is "two billion, two million, twenty-three thousand, one hundred thirty-one".